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1236894 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, outside_diameter: 1.688 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.026 INCHES NOMINAL IN, center_hole_diameter: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-343-6957, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1236894
NSN: 4820-00-343-6957
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter1.688 INCHES NOMINAL IN
style_designatorFLAT
material_thickness0.026 INCHES NOMINAL IN
center_hole_diameter0.375 INCHES NOMINAL IN
NSN4820-00-343-6957
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1236894 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CENTER HOLE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.026 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.375 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.026 INCHES NOMINAL IN
OUTSIDE DIAMETER1.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
12368Interchangeable
interchangeable cross-reference
interchangeable
2062275Interchangeable
interchangeable cross-reference
interchangeable
12189Interchangeable
interchangeable cross-reference
interchangeable
2048-2Interchangeable
interchangeable cross-reference
interchangeable
77A48317P2Interchangeable
interchangeable cross-reference
interchangeable
15152 N PIECE 50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1236894?
1236894 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 1236894?
There are 15 known substitutes for 1236894: 12368, 2062275, 12189 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1236894?
1236894 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-343-6957. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026